$OpenBSD: patch-configure_ac,v 1.1 2015/06/12 10:59:47 dcoppa Exp $
--- configure.ac.orig	Fri Jun 12 12:24:50 2015
+++ configure.ac	Fri Jun 12 12:25:10 2015
@@ -47,7 +47,7 @@ AC_ARG_ENABLE([protoc],
   AS_HELP_STRING([--disable-protoc], [Disable building protoc_c (also disables tests)]))
 if test "x$enable_protoc" != "xno"; then
   AC_LANG_PUSH([C++])
-  PKG_CHECK_MODULES([protobuf], [protobuf >= 2.5.0])
+  PKG_CHECK_MODULES([protobuf], [protobuf])
 
   save_CPPFLAGS="$CPPFLAGS"
   CPPFLAGS="$save_CPPFLAGS $protobuf_CFLAGS"
